knob

noun

1. （用以开关电视机等的）旋钮
   a round switch on a machine such as a television that you use to turn it on and off, etc.
   1. the volume control knob
      音量控制旋钮
2. （门或抽屉的）球形把手
   a round handle on a door or a drawer
3. 疙瘩；节
   a round lump on the surface or end of sth
4. 小块（黄油等）
   a small lump of sth such as butter
5. 阴茎
   a penis

1. N-COUNT （门或抽屉的）球形把手
   A knob is a round handle on a door or drawer which you use in order to open or close it.
   1. He turned the knob and pushed against the door.
      他扭动把手推了推门。
2. N-COUNT （柱子或棍子顶部的）疙瘩，节，球状物
   A knob is a rounded lump or ball on top of a post or stick.
   1. A loose brass knob on the bedstead rattled.
      床架上一个松动的球形铜扣发出嘎啦声。
3. N-COUNT （机器或设备的）旋钮
   A knob is a round switch on a piece of machinery or equipment.
   1. ...the volume knob.
      音量旋钮
4. N-COUNT 小块（黄油）
   A knob of butter is a small amount of it.
   1. Top the steaming hot potatoes with a knob of butter.
      在冒热气的马铃薯上放一小块黄油。

1. The cutters are opened by turning the knob anticlockwise.
   逆时针转动旋钮可以开启切割机。
2. He turned on the radio and fiddled with the knob until he got a talk show.
   他打开收音机，拨动旋钮，直至调到一个脱口秀节目。
3. With his left hand he groped for the knob, turned it, and pulled the door open
   他左手摸索着门把手，转动一下，然后推开门。
4. He turned the knob and pushed against the door.
   他扭动把手推了推门。
5. A loose brass knob on the bedstead rattled.
   床架上一个松动的球形铜扣发出嘎啦声。
6. Top the steaming hot potatoes with a knob of butter.
   在冒热气的马铃薯上放一小块黄油。
7. He twiddled a knob on the dashboard
   他转动着仪表板上的一个旋钮。
8. There is a knob of butter on the table.
   桌子上有一小块黄油。
9. My radio's knob got loose.
   我收音机上的旋钮松动了。
10. That method sets the slider's value and moves the knob accordingly, subsequently filling and stroking the knob.
    该方法设置滑块的值并以此移动旋钮，随后填充和描绘旋钮。
11. You can adjust the colour on the TV by turning this knob.
    你可以用这个旋钮调节电视的色彩。
12. This is your door knob menu.
    这是挂在门把手上的菜单。
13. Draw a ring shape behind the knob and add following layer styles.
    画一个圈背后的旋钮的形状和添加图层样式如下。
14. Supernatural A, you from die door knob I is it stand up to promote.
    神啊，你是从死门把我提拔起来的。
15. I go up the steps and turn the knob.
    我走上台阶，扭动门把。
16. Look, all you have to do is twist this knob to the right.
    看着，你要做的只是将这个旋纽拧到右边。
17. The act or practice of wigwagging. He shook at the knob, but the door was locked.
    摇动，摇摆摇摆的动作或作法他摇了摇门把手，但是门锁住了。
18. He turned the knob and the door burst open.
    他转动球形把手，门猛地开了。
19. He shook at the knob, but the door was locked.
    他摇了摇门把手，但是门锁住了。
20. Always depressurize a regulator before closing the adjusting knob and removing the regulator from the cylinder.
    在关闭调整钮和从钢瓶上断开调整器之前，总是使调整器减压。
21. He pressed the knob and the lid flew open.
    他一按按钮，盖子就迅速打开了。
22. He groped for the door knob in the dark to open the door and went to bed.
    在黑暗中他摸索着找到了门把手，打开门，就上床睡觉了。
23. He pulled the knob and it just came off.
    他拉了一下那圆把手，它就随手掉下来了。
24. I turned the dusty knob and heaved it open.
    我转动了那积满灰尘的门把，用力地把门拉开了。
25. You can vary the loudness of the radio by turning this knob to right or left.
    你可以通过向左或向右旋转这个钮来调节收音机的音量。
26. For slower rebound, turn the red adjuster knob clockwise.
    顺时针转动红色调节钮以减慢回弹速度。
27. By turning this knob to the right you can amplify the sound from this radio.
    把这个旋扭向右转你就可以增大收音机的音量。
28. The position of the Slider knob is stored as a float.
    滑块的旋钮位置存储为一个浮动。
29. Press down and hold the tuning knob and lamp button while turning on the radio.
    同时按下并保持调谐钮和灯开关，打开机器。
30. I wake up knowing simply that I took hold of the knob and turned it.
    我醒了，只知道抓到了门把手并按下了它。

n.

with knobs on

• 有过之而无不及；更是如此；尤其突出
  used to say that sth is a more complicated version of what you mention
  1. It isn't art─it's just a horror movie with knobs on!
     那不是艺术——只是更为恐怖的恐怖片而已！

noun

1. a round handle

2. a circular rounded projection or protuberance

   Synonym:    boss

3. an ornament in the shape of a ball on the hilt of a sword or dagger

   Synonym:    pommel

4. any thickened enlargement

   Synonym:    nodethickening